Revert "have MIRV target all non allied players, increase price to 25… (#181)

… million"

This reverts commit 226112beb5.

src/core/execution/NukeExecution.ts

@@ -134,7 +134,7 @@ export class NukeExecution implements Execution {
     let magnitude;
     switch (this.type) {
       case UnitType.MIRVWarhead:
-        magnitude = { inner: 30, outer: 35 };
+        magnitude = { inner: 25, outer: 30 };
         break;
       case UnitType.AtomBomb:
         magnitude = { inner: 12, outer: 30 };